症例報告 自然閉鎖が予期された動脈管開存症の犬の1例

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  • 自然閉鎖が予期された動脈管開存症の犬の1例
  • ショウレイ ホウコク シゼン ヘイサ ガ ヨキ サレタ ドウミャクカン カイソンショウ ノ イヌ ノ 1レイ

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<p>A 5-month-old female toy poodle weighing 1.2 kg was presented for evaluation of a cardiomegaly on thoracic radiographs. Physical examination was unremarkable. Echocardiography revealed continuous shunting flow in pulmonic artery (pressure gradient 118.7 mmHg). The dog was diagnosed as having a left-to-right shunting patent ductus arteriosus. Because no clinical signs, cardiac murmur and hemodynamic changes were recognized, spontaneous closure of ductus arteriosus was expected within a short term. The shunting flow was gradually diminished without left ventricular dilation and right ventricular hypertrophy during follow up. After 2 months, the shunting flow was predictably disappeared. This case was considered a spontaneous closure of patent ductus arteriosus that was expected closing within a short term.</p>

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